Exercise board



FIG. 1 is a top, right, front perspective view showing the exercise board;

FIG. 2 is a front view showing the exercise board;

FIG. 3 is a rear view showing the exercise board;

FIG. 4 is a left side view howing the exercise board;

FIG. 5 is a right side view showing the exercise board;

FIG. 6 is a top view showing the exercise board; and,

FIG. 7 is a bottom view showing the exercise board.

Where utilized, the broken lines show portions of the exercise board that form no part of the claimed design. 

CLAIM The ornamental design for an exercise board, as shown and described. 